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5954-49 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5954-49: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, style_designator: FLAT, end_item_identification: FILTER REGULATOR B38-440-A1LA, media_for_which_designed: AIR, part_name_assigned_by_controlling_agency: (INAVY)DIAPHRAM RELIEVING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-562-9869, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5954-49
NSN: 4820-01-562-9869
FSC: 4820 — Valves, Nonpowered
CAGE: 43990 — NORGREN C A CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
style_designatorFLAT
end_item_identificationFILTER REGULATOR B38-440-A1LA
media_for_which_designedAIR
part_name_assigned_by_controlling_agency(INAVY)DIAPHRAM RELIEVING
NSN4820-01-562-9869
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5954-49 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: FLAT
•
MEDIA FOR WHICH DESIGNED: AIR
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT
MEDIA FOR WHICH DESIGNEDAIR
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY)DIAPHRAM RELIEVING
END ITEM IDENTIFICATIONFILTER REGULATOR B38-440-A1LA
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
CAT IPB B38 IT7 / 5954-49Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5954-49?
5954-49 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 5954-49?
There is 1 known substitute for 5954-49: CAT IPB B38 IT7 / 5954-49. Substitute compatibility should be verified for your specific system.
What is the NSN for 5954-49?
5954-49 is cataloged in the U.S. Government catalog under NSN 4820-01-562-9869. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.